# jeff vs Ultravox GLM-4P6

> Side-by-side benchmark comparison for jeff and Ultravox GLM-4P6 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/jeff-vs-ultravox-glm-4p6
- Last updated: October 1, 2026

- Shared sourced benchmarks: 0
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

No benchmark verdict yet: there is no shared sourced benchmark row for jeff and Ultravox GLM-4P6.

## Summary

- jeff and Ultravox GLM-4P6 do not currently share a sourced benchmark row. The mirror therefore compares metadata, pricing, context windows, and each model's separately reported coverage without naming a benchmark winner.

## Model Snapshot

| Property | jeff | Ultravox GLM-4P6 |
|----------|----------|----------|
| Creator | Logan Markewich | Fixie AI |
| Type | Open Weight | Open Weight |
| Reasoning | Non-Reasoning | Non-Reasoning |
| Context | null | N/A |
| Independent public score (not head-to-head) | null | null |
| Benchmarks Covered | 2 | 0 |
| Pricing (input/output) | Pricing unavailable / Pricing unavailable | Pricing unavailable / Pricing unavailable |

## Category Breakdown

### Reasoning

- Winner: Insufficient shared evidence
- jeff public-lane score: Coming soon
- Ultravox GLM-4P6 public-lane score: Coming soon

| Benchmark | jeff | Ultravox GLM-4P6 | Winner |
|-----------|-----------|-----------|--------|
| JevBench 1.4 | 30.58 | Coming soon | Coming soon |
| JevBench 1.5 | 0.12 | Coming soon | Coming soon |

## FAQ

### Can I compare jeff and Ultravox GLM-4P6 on BenchLM yet?

Not fully yet. BenchLM is tracking both models, but sourced benchmark coverage is still incomplete for a fair score-level comparison.

### Why does this page show "coming soon" values?

BenchLM only calls winners when public benchmark coverage is available on both sides of the comparison.

## Related Comparisons

- [jeff vs GPT-6 Astra](/compare/gpt-6-astra-vs-jeff)
- [Ultravox GLM-4P6 vs GPT-6 Astra](/compare/gpt-6-astra-vs-ultravox-glm-4p6)
- [jeff vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-jeff)
- [Ultravox GLM-4P6 vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-ultravox-glm-4p6)

## Explore More

- [jeff profile](/models/jeff)
- [Ultravox GLM-4P6 profile](/models/ultravox-glm-4p6)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)